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