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)(11,16)(12,15)(13,14)(18,19)(20,24)(25,26)(27,30)(28,29)(31,32)(10,13)(15,16)(17,18,21,19)(20,23,24,22)(26,28)(30,32)(1,2)(3,5)(4,6)(7,8)(9,11,14,12)(10,15,13,16)(17,18,21,19)(20,22,24,23)(25,26,29,28)(27,30,31,32)(1,2)(3,5)(4,6)(7,8)(9,12,14,11)(10,15,13,16)(17,19,21,18)(20,22,24,23)(25,27)(26,30)(28,32)(29,31)(1,3,4,8)(2,5,6,7)(9,13,14,10)(11,16,12,15)(17,20,21,24)(18,22,19,23)(25,28,29,26)(27,30,31,32)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.