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