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