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