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