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