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