Intro Riff            (x4)
Play this using your neck pickup. with the volume on the guitar turned down, 
then crank it up after 4th repetition.
E|1|------------------------|
B|2|-14-12------------------|
G|3|-14-12------------------|
D|4|------------------------|
A|5|------------------------|
E|6|------------------------|

Main/Chorus Riff
E|1|------------------------|
B|2|------------------------|
G|3|------------------------|
D|4|-14-12-------12-11------|
A|5|-12-10-------10-9-------|
E|6|------------------------|

Verse                   Fill 1         Fill 2    Fill 3
E|1|---------------------|--------------|---------|----------------|
B|2|---------------------|--------------|---------|----------------|
G|3|---2---------2-------|--------------|---------|----------------|
D|4|---2---------2-------|-/7-9-9p7--7--|-9-7--7~-|-9-7--9^9^7--9\-|
A|5|-5-0-------5-0-------|----------9---|-----9---|-----9----------|
E|6|-3---------3---------|--------------|---------|----------------|
   .         .
Fills 1 & 2 are over the 1st Verse. Fill 3 is over the 2nd Verse.

Pre-Chorus
E|1|---------------------|
B|2|---------------------|
G|3|---------------------|
D|4|-9-9-9-9-9-9-9-9-----|
A|5|-9-9-9-9-9-9-9-9-----|
6|-7-7-7-7-7-7-7-7-etc-|

Over the Pre-Chorus, a sort of arpeggio is played on a B chord (xx9877).

This is very approximately what is played, although it seems to vary slightly each time.
E|1|------7-------------7-------------|
B|2|--------------------------7-------|
G|3|----8-------------8---------------|
D|4|-/9------------/9-------9---------|
A|5|----------------------------------|
E|6|----------------------------------|