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