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