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