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