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