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