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