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