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