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