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