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