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