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