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