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