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