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