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