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