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