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