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