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