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