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