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