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