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