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