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)(17,18,21,24)(19,25,27,22)(20,23,29,28)(26,31,32,30)(35,41)(38,44)(42,47)(45,48)(2,6)(7,9)(8,13)(14,15)(17,19)(18,22)(20,26)(21,27)(23,30)(24,25)(28,31)(29,32)(33,34,37,40)(35,38,41,44)(36,39,43,46)(42,45,47,48)(1,2)(3,7)(4,8)(5,6)(9,11)(10,14)(12,13)(15,16)(17,18,21,24)(19,22,27,25)(20,28,29,23)(26,31,32,30)(33,35)(34,38)(36,42)(37,41)(39,45)(40,44)(43,47)(46,48)(1,2)(3,7)(4,8)(5,6)(9,11)(10,14)(12,13)(15,16)(17,18)(19,22)(20,23)(21,24)(25,27)(26,30)(28,29)(31,32)(33,34)(35,38)(36,39)(37,40)(41,44)(42,45)(43,46)(47,48) involution — undirected(1,3,5,11)(2,7,6,9)(4,10,12,16)(8,14,13,15)(17,20,21,29)(18,23,24,28)(19,26,27,32)(22,30,25,31)(33,35)(34,38)(36,42)(37,41)(39,45)(40,44)(43,47)(46,48)(1,4,5,12)(2,8,6,13)(3,10,11,16)(7,14,9,15)(17,19)(18,22)(20,26)(21,27)(23,30)(24,25)(28,31)(29,32)(33,36,37,43)(34,39,40,46)(35,42,41,47)(38,45,44,48)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.