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