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