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