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