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