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