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