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