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