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