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