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