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