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