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