One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(7,14,15,17)(11,18,20,19)(21,22,26,31,27,32,25,30)(23,33,36,28,37,43,35,44)(24,38,41,29,39,46,40,45)(34,42,50,51,48,52,49,47)(1,2,3,4)(5,6)(7,11)(8,12)(9,16)(10,13)(14,19)(15,20)(17,18)(21,23)(22,28)(24,34)(25,36)(26,35)(27,37)(29,42)(30,43)(31,33)(32,44)(38,51)(39,48)(40,50)(41,49)(45,52)(46,47)(5,7)(6,11)(8,14)(9,17)(10,15)(12,19)(13,20)(16,18)(21,24,27,39)(22,29,32,45)(23,34,37,48)(25,40,26,41)(28,42,44,52)(30,38,31,46)(33,47,43,51)(35,49,36,50)(5,8,10,9)(6,12,13,16)(7,14,15,17)(11,19,20,18)(24,39)(29,45)(34,48)(38,46)(40,41)(42,52)(47,51)(49,50)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.