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