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)(15,23)(16,27)(17,19)(18,31)(20,24)(21,28)(22,30)(25,37)(26,36)(29,38)(32,34)(33,35)(39,42)(40,44)(41,43) involution — undirected(1,2)(3,4)(5,7,8,12)(6,9,10,11)(14,19)(15,24)(16,28)(18,30)(20,36)(21,38)(23,34)(26,32)(27,35)(29,33)(37,43)(40,42)(13,15,17,26)(14,20,19,34)(16,25,29,41)(18,32,30,24)(21,37,35,43)(22,36,31,23)(27,39,38,44)(28,40,33,42)(2,4)(13,16)(14,21)(15,25)(17,29)(18,33)(19,35)(20,37)(22,38)(23,39)(24,40)(26,41)(27,31)(28,30)(32,42)(34,43)(36,44) involution — undirected(6,10)(9,11)(14,19)(16,29)(20,34)(22,31)(23,36)(25,41)(28,33)(40,42) 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.