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