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