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