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