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