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