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