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