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