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