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