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