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