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