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