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