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