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