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