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