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