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