One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,14)(4,20)(5,12)(6,11)(7,13)(8,16)(9,22)(10,27)(15,46)(17,32)(18,45)(19,43)(21,54)(23,40)(24,36)(25,37)(26,42)(28,60)(29,61)(30,41)(31,49)(33,50)(34,56)(35,57)(38,59)(39,51)(44,48)(47,63)(52,64)(53,55)(58,62) involution — undirected(1,3,5,17,7,16,27,19)(2,8,10,32,13,14,12,43)(4,21,22,52,24,55,25,56)(6,28,26,18,30,51,59,50)(9,34,20,53,37,64,36,54)(11,39,38,45,41,60,42,33)(15,29,48,23,47,57,49,58)(31,62,63,35,44,40,46,61)(1,4,7,24)(2,9,13,37)(3,15,16,47)(5,25,27,22)(6,29,30,57)(8,31,14,44)(10,36,12,20)(11,40,41,62)(17,49,19,48)(18,52,50,56)(21,28,55,51)(23,26,58,59)(32,46,43,63)(33,54,45,53)(34,39,64,60)(35,42,61,38)(6,30)(11,41)(15,47)(18,50)(23,58)(26,59)(28,51)(29,57)(31,44)(33,45)(35,61)(38,42)(39,60)(40,62)(46,63)(48,49) 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.