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