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