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