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