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