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)(8,12)(10,16)(13,18)(15,17)(19,20,24,28)(21,29,33,43)(22,26,34,40)(23,36,30,27)(25,37,39,32)(31,42,45,50)(35,47,44,41)(38,48,49,46)(19,21,30,37,24,33,23,32)(20,25,36,43,28,39,27,29)(22,31,44,48,34,45,35,46)(26,38,47,50,40,49,41,42)(3,5,7,13)(4,8,9,17)(6,15,16,12)(10,18,14,11)(19,22)(20,26)(21,31)(23,35)(24,34)(25,38)(27,41)(28,40)(29,42)(30,44)(32,46)(33,45)(36,47)(37,48)(39,49)(43,50)(4,9)(8,17)(10,14)(11,18)(22,34)(26,40)(31,45)(35,44)(38,49)(41,47)(42,50)(46,48) 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.