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