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