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