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