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