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