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