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