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