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