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