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