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