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