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