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