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