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