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