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