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