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