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