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