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