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