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