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