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