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