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