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