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