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