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