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