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