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