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