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