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