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