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