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