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