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)(21,22,27,29,25,31,26,32)(23,33,39,43,35,28,36,41)(24,30,40,44,37,45,38,46)(34,47,50,52,48,42,49,51)(2,3)(5,6,9,12)(7,13,14,10)(8,17,16,11)(15,18,20,19)(21,23,25,35)(22,28,31,33)(24,34,37,48)(26,36,27,39)(29,41,32,43)(30,42,45,47)(38,49,40,50)(44,51,46,52)(5,7)(6,10)(8,15)(9,14)(11,18)(12,13)(16,20)(17,19)(22,29)(26,27)(28,41)(30,44)(31,32)(33,43)(36,39)(38,40)(42,51)(45,46)(47,52)(49,50) involution — undirected(1,3,4,2)(7,14)(10,13)(15,20)(18,19)(21,24)(22,30)(23,34)(25,37)(26,38)(27,40)(28,42)(29,44)(31,45)(32,46)(33,47)(35,48)(36,49)(39,50)(41,51)(43,52)(5,8,9,16)(6,11,12,17)(7,15,14,20)(10,18,13,19)(22,31)(24,37)(28,33)(29,32)(34,48)(38,40)(41,43)(49,50)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.