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