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