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