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