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