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