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