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