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