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