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