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