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