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