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