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