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