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