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