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