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