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)(11,13)(12,14)(15,16)(1,3,5,4)(2,6,8,7)(9,11)(10,13)(12,15)(14,16)(17,18)(19,23)(20,27)(21,30)(22,25)(24,28)(26,31)(29,32)(10,14)(11,15)(17,19,22,21)(18,23,25,30)(20,26,29,28)(24,27,31,32)(10,14)(13,16)(17,20,19,26,22,29,21,28)(18,24,30,32,25,31,23,27)(1,4,5,3)(2,7,8,6)(17,19,22,21)(18,23,25,30)(20,26,29,28)(24,27,31,32)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.