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