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