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