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