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