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