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