One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,11)(3,7,8,15)(4,13,14,12)(5,10,16,9)(17,18,24,30)(19,31,35,50)(20,26,40,54)(21,41,44,57)(22,29,23,28)(25,36,49,34)(27,45,56,43)(32,60,62,51)(33,63,64,48)(37,67,66,47)(38,69,72,76)(39,58,46,53)(42,55,65,59)(52,71,77,70)(61,74,79,80)(68,78,73,75)(1,3)(2,7)(4,10)(5,12)(6,8)(9,14)(11,15)(13,16)(17,19,24,35)(18,25,30,49)(20,37,40,66)(21,42,44,65)(22,36,23,34)(26,51,54,60)(27,55,56,59)(28,50,29,31)(32,46,62,39)(33,45,64,43)(38,61,72,79)(41,48,57,63)(47,58,67,53)(52,74,77,80)(68,71,73,70)(69,75,76,78)(1,4,6,14)(2,8,11,3)(5,15,16,7)(9,12,10,13)(17,20)(18,26)(19,32)(21,38)(22,39)(23,46)(24,40)(25,47)(27,52)(28,53)(29,58)(30,54)(31,51)(33,61)(34,37)(35,62)(36,66)(41,69)(42,73)(43,70)(44,72)(45,71)(48,74)(49,67)(50,60)(55,78)(56,77)(57,76)(59,75)(63,80)(64,79)(65,68)(1,3)(2,4)(5,13)(6,8)(7,10)(9,15)(11,14)(12,16)(17,21,24,44)(18,27,30,56)(19,33,35,64)(20,38,40,72)(22,45,23,43)(25,48,49,63)(26,52,54,77)(28,57,29,41)(31,59,50,55)(32,61,62,79)(34,65,36,42)(37,68,66,73)(39,71,46,70)(47,74,67,80)(51,75,60,78)(53,76,58,69)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.