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