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