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