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