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