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