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