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