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