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