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