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