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