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