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