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