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)(11,13)(12,14)(15,16)(17,18,23,27)(19,22,30,24)(20,25,29,32)(21,26,28,31)(2,5)(6,8)(9,11,12,15)(10,13,14,16)(17,19)(18,24)(20,25)(21,26)(22,27)(23,30)(28,31)(29,32)(10,14)(13,16)(17,20,23,29)(18,25,27,32)(19,28,30,21)(22,31,24,26)(1,3,4,7)(2,6,5,8)(17,21,23,28)(18,26,27,31)(19,29,30,20)(22,32,24,25)(17,22,23,24)(18,19,27,30)(20,26,29,31)(21,32,28,25)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.