One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,13)(8,12)(9,11)(10,15)(14,20)(16,18)(17,19)(21,22,26,28)(23,32,33,47)(24,37,38,30)(25,31,27,41)(29,35,42,36)(34,49,48,46)(39,45,40,44)(43,50,52,51)(1,2)(3,4)(5,7,9,15)(6,10,11,13)(8,16,17,14)(12,20,19,18)(22,28)(23,33)(24,38)(31,41)(35,36)(39,40)(43,52)(46,49)(2,4)(21,23,25,35,26,33,27,36)(22,29,41,47,28,42,31,32)(24,34,40,51,38,48,39,50)(30,43,44,49,37,52,45,46)(6,11)(10,13)(12,19)(18,20)(21,24,26,38)(22,30,28,37)(23,34,33,48)(25,40,27,39)(29,43,42,52)(31,45,41,44)(32,46,47,49)(35,51,36,50)(2,4)(5,8,9,17)(6,12,11,19)(7,14,15,16)(10,18,13,20)(21,25,26,27)(22,31,28,41)(23,35,33,36)(24,39,38,40)(29,32,42,47)(30,44,37,45)(34,50,48,51)(43,49,52,46)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.