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