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