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