One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,7)(4,6)(5,8)(17,18,23,19)(20,22,27,24)(21,25,29,26)(28,30,32,31)(1,3,5,4)(2,6,8,7)(9,10)(11,15)(12,13)(14,16)(17,19,22,27,23,18,24,20)(21,25,30,28,29,26,31,32)(1,3,5,4)(2,7,8,6)(10,13)(14,15)(17,20,22,19,23,27,24,18)(21,28,30,26,29,32,31,25)(9,11,12,16)(10,14,13,15)(17,21,23,29)(18,25,19,26)(20,28,27,32)(22,30,24,31)(1,4,5,3)(2,6,8,7)(21,29)(25,26)(28,32)(30,31)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.