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