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