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