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