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