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