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