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