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