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