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