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