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