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