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