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