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