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