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