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