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