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