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