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