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