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