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