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