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