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