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