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