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