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