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