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