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