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