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