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