One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(11,15)(14,16)(17,18,22,25)(19,27,30,44)(20,24,32,41)(21,34,35,26)(23,36,39,31)(28,42,29,43)(33,48,45,40)(37,47,38,46)(9,10)(11,14)(12,13)(15,16)(17,19,21,31,22,30,35,36)(18,23,26,27,25,39,34,44)(20,29,33,47,32,28,45,46)(24,38,40,43,41,37,48,42)(2,5)(6,8)(10,13)(14,16)(17,20)(18,24)(19,28)(21,33)(22,32)(23,37)(25,41)(26,40)(27,42)(29,30)(31,46)(34,48)(35,45)(36,47)(38,39)(43,44) involution — undirected(1,3,4,7)(2,6,5,8)(10,13)(14,16)(17,20)(18,24)(19,29)(21,33)(22,32)(23,38)(25,41)(26,40)(27,43)(28,30)(31,47)(34,48)(35,45)(36,46)(37,39)(42,44)(9,11,12,15)(10,14,13,16)(18,25)(19,30)(20,32)(26,34)(31,36)(33,45)(37,38)(42,43)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.