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