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