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