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