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