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