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