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