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