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