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