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