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