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