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