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