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