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