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