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