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