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