This riff is also played in other places in the song.

Main Riff

e--------------------------------------------------------|
B--------------------------------------------------------|
G---0-0--3-0-----5-3-------------------------------------|
D------------0-1-----3-----------------------------------|
A--------------------------------------------------------|
E--------------------------------------------------------|

Verse
I think this is pretty close.

e------------------------------------------|
B----------4-4----3-3----------44444-------|
G--0-0-------------------3-3---------------|
D------------------------------------------|
A------------------------------------------|
E------------------------------------------|

Pre-chorus

e------------------------------------------|
B------------------------------------------|
G---55555555-77777777-33333333-77777777----|
D---55555555-77777777-33333333-77777777----|
A---33333333-55555555-11111111-55555555----|
E------------------------------------------|

Hope you lyk!!!!