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