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