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