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