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