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