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