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