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