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