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