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