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)(18,23)(19,26)(25,31)(27,29)(33,34)(35,41)(36,44)(37,40)(38,43)(39,45)(42,46)(47,48) involution — undirected(1,3)(2,8)(4,13)(5,7)(6,10)(9,11)(12,14)(15,16)(17,18)(19,24)(20,25)(21,26)(22,23)(27,32)(28,31)(29,30)(33,34,37,40)(35,38,43,41)(36,39,45,44)(42,46,48,47)(2,9)(3,5)(4,14)(6,16)(19,26)(20,28)(21,24)(25,31)(33,34,37,40)(35,41,43,38)(36,44,45,39)(42,46,48,47)(1,4,7,14)(2,10,9,15)(3,13,5,12)(6,11,16,8)(17,19,22,26)(18,24,23,21)(20,29,28,27)(25,30,31,32)(33,35,37,43)(34,38,40,41)(36,42,45,48)(39,46,44,47)(1,5,7,3)(2,11,9,8)(4,13,14,12)(6,15,16,10)(17,20,22,28)(18,25,23,31)(19,27,26,29)(21,30,24,32)(33,34)(35,41)(36,39)(37,40)(38,43)(42,47)(44,45)(46,48)(1,6)(2,12)(3,10)(4,11)(5,15)(7,16)(8,14)(9,13)(17,21,22,24)(18,26,23,19)(20,30,28,32)(25,29,31,27)(33,36,37,45)(34,39,40,44)(35,42,43,48)(38,46,41,47)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.