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