One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,11)(4,10)(5,9)(6,8)(7,12)(13,16)(14,15)(17,18,21,24)(19,26,28,23)(20,30,25,22)(27,31,32,29)(1,2,6,10,5,9,4,8)(3,7,14,16,13,15,12,11)(17,19,21,28)(18,23,24,26)(20,27,25,32)(22,31,30,29)(1,2,5,9)(3,7,13,15)(4,8,6,10)(11,14,16,12)(17,20,22,18,21,25,30,24)(19,27,29,26,28,32,31,23)(1,3,6,14,5,13,4,12)(2,7,10,16,9,15,8,11)(18,24)(20,25)(23,26)(27,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.