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