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)(11,15)(12,16)(13,14)(18,19)(22,23)(25,26)(27,28)(29,30)(31,32)(1,3)(2,4)(5,8)(6,7)(9,11,13,16)(10,12,14,15)(26,30)(28,31)(2,6)(3,8)(10,14)(12,15)(17,18,21,19)(20,22,24,23)(25,27,29,32)(26,28,30,31)(1,3)(2,7)(4,6)(5,8)(9,12,13,15)(10,11,14,16)(17,19,21,18)(20,23,24,22)(25,27)(26,31)(28,30)(29,32)(1,4,5,7)(2,3,6,8)(9,11)(10,15)(12,14)(13,16)(17,20,21,24)(18,22,19,23)(25,28,29,31)(26,27,30,32)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.