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