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