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