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