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