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