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