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