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