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