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)(21,22,27,28,26,32,25,31)(23,29,39,41,34,44,35,45)(24,36,40,46,38,30,37,42)(33,47,50,52,49,43,48,51)(5,6,9,12)(7,13,14,10)(8,17,16,11)(15,18,20,19)(22,28)(24,37)(25,27)(29,41)(31,32)(33,48)(35,39)(38,40)(42,46)(44,45)(49,50)(51,52)(1,2,3,4)(5,7)(6,10)(8,15)(9,14)(11,18)(12,13)(16,20)(17,19)(21,23)(22,29)(24,33)(25,35)(26,34)(27,39)(28,41)(30,43)(31,45)(32,44)(36,47)(37,48)(38,49)(40,50)(42,51)(46,52)(7,14)(10,13)(15,20)(18,19)(21,24,25,37,26,38,27,40)(22,30,31,46,32,36,28,42)(23,33,35,48,34,49,39,50)(29,43,45,52,44,47,41,51)(5,8,9,16)(6,11,12,17)(7,15,14,20)(10,18,13,19)(23,34)(29,44)(33,49)(35,39)(41,45)(43,47)(48,50)(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.