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