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