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