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