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