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