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