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