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