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