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