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