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