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)(23,29,30,26)(24,32,33,27)(31,34,36,35)(38,39)(40,47)(41,49)(50,51)(6,10)(11,16)(12,17)(18,20)(23,30)(24,33)(26,29)(27,32)(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)(21,23,25,30)(22,26,28,29)(24,31,33,36)(27,34,32,35)(37,39,42,38)(40,45,47,43)(41,44,49,46)(48,50,52,51)(1,2)(3,4)(5,7,9,13)(6,11,10,16)(8,14,15,19)(12,18,17,20)(21,22)(23,29)(24,27)(25,28)(26,30)(31,35)(32,33)(34,36)(37,40,42,47)(38,43,39,45)(41,48,49,52)(44,50,46,51)(5,8)(6,12)(7,14)(9,15)(10,17)(11,18)(13,19)(16,20)(21,24,25,33)(22,27,28,32)(23,31,30,36)(26,34,29,35)(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.