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