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