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