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