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