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