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