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