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