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