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