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