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