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