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