One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,7,8,6)(9,10)(11,16)(12,26)(13,31)(14,35)(15,21)(17,28)(18,33)(19,24)(20,25)(22,49)(23,52)(27,57)(29,61)(30,58)(32,47)(34,64)(36,44)(37,40)(38,50)(39,54)(41,59)(42,65)(43,60)(45,72)(46,67)(48,56)(51,71)(53,68)(55,63)(62,70)(66,69)(1,3)(2,6)(4,7)(5,8)(9,11,15,25)(10,16,21,20)(12,27,30,22)(13,23,34,55)(14,24,37,56)(17,41,43,38)(18,39,46,45)(19,40,48,35)(26,57,58,49)(28,59,60,50)(29,36,62,51)(31,52,64,63)(32,65,66,53)(33,54,67,72)(42,69,68,47)(44,70,71,61)(1,4,5,2)(3,7,8,6)(9,12)(10,17)(11,22)(13,32)(14,36)(15,30)(16,38)(18,44)(19,47)(20,41)(21,43)(23,53)(24,29)(25,27)(26,31)(28,33)(34,66)(35,42)(37,51)(39,61)(40,68)(45,70)(46,71)(48,69)(49,52)(50,54)(55,65)(56,62)(57,63)(58,64)(59,72)(60,67)(3,8)(6,7)(9,11,15,25)(10,16,21,20)(12,22,30,27)(13,23,34,55)(14,24,37,56)(17,38,43,41)(18,39,46,45)(19,40,48,35)(26,49,58,57)(28,50,60,59)(29,51,62,36)(31,52,64,63)(32,53,66,65)(33,54,67,72)(42,47,68,69)(44,61,71,70)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.