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