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