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