One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,11,14,8)(4,7)(5,9)(6,10)(12,16,13,15)(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)(2,7)(3,12)(4,5)(9,10)(13,14)(15,16)(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(1,3,6,14)(2,8,10,11)(4,12,5,13)(7,15,9,16)(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)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.