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