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