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