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