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