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