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