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