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