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