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